netdev - Re: performance regression on HiperSockets depending on MTU size

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Message-ID: <CAM_iQpVv=__3kcfjq3rdy25r68PivBd41msSV97=5oXLY+cXNQ@mail.gmail.com>
Date:	Wed, 28 Nov 2012 13:31:04 +0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: performance regression on HiperSockets depending on MTU size

On Tue, Nov 27, 2012 at 2:46 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> On Tue, 2012-11-27 at 06:21 +0000, Cong Wang wrote:
>
>> Eric,
>>
>> Do you have a full list of such commits? I am trying to backport TSQ
>> to 2.6.32, and of course I don't want to miss these commits either.
>
> I dont think there are other known issues.
>
> mlx4 had a 'problem' because only recently we removed the skb_orphan()
> call it used to do in its start_xmit() function.
>
> I remember David had to revert BQL on NIU driver, but NIU does the
> skb_orphan() call as well so TSQ is basically disabled.
>
>


Good news! Thanks!
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